James Black

Team Scorpion is tasked with uncovering a mole inside the CIA whose judgment is clouded by matters of the heart and is being coerced into stealing deadly chemicals. Also, in preparation for the case, Paige gives Walter a flirting lesson.

Things don't add up when an LA cop turns up dead. Brenda and her team race against the clock to get to the truth, while tension increases between the Priority Homicide Division and the Robbery-Homicide Division. In the meantime, Brenda's relationship with Fritz elevates to a whole new level.

Susan tries to convince the police of her innocence; Tom and Lynette go away for a romantic weekend; Gaby discovers her stalker's identity.

The unit initiates a manhunt for a serial killer who jumps trains and targets people who live near the railway.

Brennan and Booth investigate the college-basketball world to determine who is responsible for the murder of a player on a nationally ranked team.

Mac and Stella investigate the murder of a young girl's handler, who was killed during a U.N. fundraiser.